12-25 1355/1-03260

Specifications
Part Number 12-25 1355/1-03260
Gear Internal toothed
Geometry
Weight(G) 467
Outside diameter outer ring(Da) 57.283
Inside diameter inner ring(di) 47.638
inside diameter outer ring(Di) 53.425
Outside diameter inner ring (da) 53.268
Outside bole-hole circle diameter (La)
intside bole-hole circle diameter (Li)
Mounting Holes
Pitch circle diameter Outer Ring (La) 55.709
Number Holes in Outer Ring (na) 42
Pitch circle diameter Inner Ring (Li) 50.945
Number Holes in Inner Ring (ni) 42
Gearing and Tooth Forces
Pitch Circle Diameter (do) 48.425
Diametral Pitch (Pd)
Number of Teeth (Z2) 123
Permissible tooth force (fz norm)(lbs) 10566
Maximum perissible tooth force (fz max)(lbs) 19334
Load Rating
Static Co rad(lbs) 303492
Static Co Max(lbs) 812235
Dynamic C rad(lbs) 84079
Dynamic C Max(lbs) 97792
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